WO2017133047A1 - 一种led筒灯 - Google Patents

一种led筒灯 Download PDF

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Publication number
WO2017133047A1
WO2017133047A1 PCT/CN2016/075232 CN2016075232W WO2017133047A1 WO 2017133047 A1 WO2017133047 A1 WO 2017133047A1 CN 2016075232 W CN2016075232 W CN 2016075232W WO 2017133047 A1 WO2017133047 A1 WO 2017133047A1
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WIPO (PCT)
Prior art keywords
led
led downlight
downlight
outer casing
protective cover
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PCT/CN2016/075232
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English (en)
French (fr)
Inventor
朱晓伟
任少辉
江笑骅
汪旭煌
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上海顿格电子贸易有限公司
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Publication of WO2017133047A1 publication Critical patent/WO2017133047A1/zh

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00—Lighting devices intended for fixed installation
    • F21S8/02—Lighting devices intended for fixed installation of recess-mounted type, e.g. downlighters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V15/00—Protecting lighting devices from damage
    • F21V15/02—Cages
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V25/00—Safety devices structurally associated with lighting devices
    • F21V25/12—Flameproof or explosion-proof arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V3/00—Globes; Bowls; Cover glasses
    • F21V3/04—Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V3/00—Globes; Bowls; Cover glasses
    • F21V3/04—Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings
    • F21V3/06—Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings characterised by the material
    • F21V3/062—Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings characterised by the material the material being plastics
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V5/00—Refractors for light sources

Definitions

  • the invention relates to the technical field of lighting fixtures, and in particular to an LED downlight.
  • LED lamps as the fourth generation of illumination sources are accelerating penetration in various lighting fields.
  • LED light emitting diode
  • LED has many advantages such as low power consumption, high lifetime, and high reliability compared with the conventional electric lamp, and is widely used in the field of illumination, especially as the most widely used, The most popular downlight.
  • the LED lamps designed by the conventional LED lamp bead package are limited by the Lambertian distribution characteristics of the LED light source and the light diffusion characteristics of the plastic translucent cover, so that the LED downlight is in beam angle, light distribution, and flame retardant.
  • Energy Star Expogy Star, a government program jointly implemented by the US Department of Energy and the US Environmental Protection Agency to better protect the living environment and save energy
  • CEC certification CEC certification is Requirements for standards such as the Appliance Efficiency Regulation, which was implemented by the California Energy Commission on December 30, 2005.
  • the present invention provides an LED downlight that achieves electrical protection of the product by utilizing a method of placing a high flame retardant, high light transmissive transparent plastic member in front of the LED light source assembly.
  • the micro-optical structure is designed on the surface of the transparent protective shell, and combined with the diffusion cover to realize the optical control of the LED downlight, thereby meeting the optical requirements such as the energy angle, the light distribution and the anti-glare in the ENERGY STAR and CEC certification standards.
  • An LED downlight comprising:
  • An LED light source assembly is embedded and fixed in the cavity
  • a transparent protective cover for fire prevention disposed on the light exiting path of the LED light source assembly
  • a translucent cover disposed at an open end of the cavity
  • the light emitted by the LED light source assembly sequentially emits the LED downlight through the transparent protective cover and the transparent cover.
  • the fire protection performance of the transparent protective cover satisfies the requirements of UL-5VA and other flammability performance standards.
  • the surface of the transparent protective cover is further provided with an optical microstructure for adjusting the beam angle and light type of the light emitted by the LED downlight together with the transparent cover.
  • the outer casing has a front surface and a rear surface opposite to the front surface, and the cavity is disposed on a front surface of the outer casing, and the LED downlight further includes:
  • a mounting fitting is disposed on the back of the housing for fixing the LED downlight.
  • the mounting fitting is fixed to the Above the outer casing.
  • the back surface of the outer casing is further provided with a wire hole through which the wire of the LED light source assembly is connected to an external power source.
  • the LED light source assembly comprises an LED electronic circuit and a plurality of LED particles, and the LED electronic circuit drives the plurality of LED particles to emit light.
  • the outer casing is made of a good heat conductor, and the LED downlight further comprises:
  • a heat conducting component is respectively coupled to the outer casing and the LED light source assembly to conduct heat generated by the LED light source assembly to the outer casing for heat dissipation through the heat conducting component.
  • the material of the outer casing comprises a metal such as one or more of aluminum, zinc or iron and an alloy thereof.
  • the above LED downlight further comprises:
  • a waterproof ring is disposed between the transparent protective cover and the outer casing for preventing external water vapor from eroding the LED light source assembly.
  • the transparent protective cover is made of a light transmissive plastic.
  • the light transmissive plastic comprises polycarbonate and polymethyl methacrylate.
  • the optical microstructure comprises a Fresnel pattern.
  • the transparent cover is made of a light diffusing plastic.
  • the above LED downlight, the transparent protective cover and/or the transparent cover is The snap-on is fixed to the outer casing.
  • the invention can realize the adjustment of the beam angle and the light distribution curve of the light emitted by the LED downlight by the combination of the transparent protective cover provided with the optical microstructure and the transparent cover, and the flame retardant characteristic of the transparent protective cover can make the LED
  • the flame retardant performance of the downlight reaches the requirements of UL-5VA, which can effectively improve the safety of the LED downlight.
  • FIG. 1 is a schematic exploded view of an LED downlight in an embodiment of the present application
  • Figure 2 is a perspective downward plan view of Figure 1;
  • FIG. 3 is a schematic structural view of an LED downlight in an embodiment of the present application.
  • Figure 4 is an oblique downward plan view of Figure 3.
  • an LED downlight is disclosed in the embodiment of the present application, which may include:
  • a casing 1 having a front surface (ie, a lower side as shown in FIG. 1) and a back surface opposite to the front surface (ie, an upper side shown in FIG. 1), and a cavity 2 is opened on a front surface of the outer casing 1
  • a front surface ie, a lower side as shown in FIG. 1
  • a back surface opposite to the front surface ie, an upper side shown in FIG. 1
  • a cavity 2 is opened on a front surface of the outer casing 1
  • the material of the outer casing 1 is a good conductor of heat, such as aluminum, zinc, iron and the like. Its alloy or other non-metal, as long as it can meet the heat transfer properties while meeting the design requirements of LED downlights.
  • the light source assembly 3 is fixedly embedded in the cavity 2 of the outer casing 1, and the light emitted by the LED light source assembly 3 is emitted through the opening of the cavity 2 to the outer casing 1.
  • the LED light source assembly 3 can include an LED light panel assembly (not shown) and an LED driving assembly (not shown), and the LED light panel assembly and the LED driving component (such as LED electronic circuit) can be integrated into
  • the integrated body can also be separately separated and set, which can be set according to specific design requirements; the above LED light board assembly is provided with a plurality of LED particles (the LED particles can be set according to a certain shape and arrangement order), and the LED electronic circuit drives the above Several LED particles illuminate.
  • the transparent protective cover 5 is fastened to the outer casing 1 by the waterproof ring 4, and the transparent protective cover 5 is provided with an optical microstructure (such as an optical result such as Fresnel grain), so that the light emitted by the LED light group 3 is transparent.
  • the transparent protective cover 5 is disposed outside the outer casing 1, that is, the transparent protective cover 5 is disposed on the light-emitting path of the LED light group 3; wherein the waterproof ring can prevent external water vapor from eroding the LED light group 3.
  • the material of the transparent protective cover 5 is a flame-retardant light-transmissive plastic, such as polycarbonate (PC) or polymethyl methacrylate (PMMA), etc., thereby enabling the LED downlight to achieve UL rating. -5VA requirements.
  • a flame-retardant light-transmissive plastic such as polycarbonate (PC) or polymethyl methacrylate (PMMA), etc.
  • the transparent cover 6 is engaged with the open end of the cavity 2, and can adjust the beam angle and the light type of the light emitted by the LED downlight together with the transparent protective cover 5, thereby effectively avoiding the requirements of different standards.
  • the design of the secondary optical structure of the LED downlight can make the LED downlight meet the relevant standards such as Energy Star and CEC certification. Requirements.
  • the material of the light transmissive cover 6 may be a light diffusing plastic; the shape of the housing 1 may be circular, corresponding to the LED lamp set 3, the transparent protective cover 4, and the waterproof cover disposed on the housing 1.
  • the ring 5 and the translucent cover 6 are adaptable according to the shape of the housing 1, as long as they can meet the design requirements of the LED downlight.
  • a heat conducting component is further disposed between the LED light source assembly and the outer casing 1 to conduct heat generated and/or collected by the LED light source assembly to the outer casing 1 through the heat conducting component, thereby performing heat dissipation.
  • a mounting fitting 7 is further disposed on the back surface of the outer casing 1, and the mounting fitting 7 can be fixedly connected to the outer casing 1 by bolts, for example, the mounting fitting can meet the ceiling opening for fixed installation, and can satisfy, for example, an American downlight. Standard installation methods such as CAN and Junction box.
  • a wire hole 10 is further formed on the back surface of the outer casing 1, that is, the wire 11 of the LED light source assembly described above is connected to the external power source through the wire hole 10.
  • the wire hole 10 is further provided with a soft sleeve 8, that is, the wire 11 is fastened to the wire hole 10 through the soft sleeve 8 to prevent the wire 11 from being worn by the wire hole 10, and at the same time, the cavity is ensured.
  • the sealing property of the body further achieves the waterproof and fireproof effect (that is, the material of the soft sleeve 8 has waterproof and fireproof performance).
  • the LED light source assembly 3 is turned on, the emitted light passes through the transparent protective cover 5 and then passes through the transparent cover 6 to emit the LED downlight; in the actual production process.
  • adjustment can be made by replacing the transparent protective cover 5 having different optical microstructures, thereby
  • the LED downlight can meet different requirements without changing the product shape and other structural components; in addition, since the transparent protective cover 5 has high performance against fire, and other parts such as the soft plug 8 have certain The fire performance can effectively improve the fire resistance of the entire LED downlight, so that it can meet the requirements of 5VA and above.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)

Abstract

一种LED筒灯，通过在LED光源组件（3）和透光罩（6）之间增加一个透明保护罩（5），透明保护罩（5）阻燃性能达到UL-5VA的要求，进而能够有效的提升LED筒灯的电气安全性。另外在透明保护罩（5）的表面还设置有光学微结构，能方便实现对LED筒灯出射光的光束角度及配光曲线的调整，使其光学性能能够满足energy star、CEC等标准要求以及其它定制的要求。

Description

一种LED筒灯 技术领域
本发明涉及照明灯具技术领域，尤其涉及一种LED筒灯。
背景技术
当前，随着全球各国替换白炽灯路线方案的出炉，作为第四代照明光源的LED灯具正加速在各个照明领域渗透。LED(light emitting diode，发光二极管)作为半导体发光器件，相对于传统的电灯具有低功耗、高寿命、可靠性强等诸多优点，故被广泛应用于照明领域中，尤其是作为使用最为广泛、最大众化的筒灯。
但是，利用传统的LED灯珠封装设计的LED灯具，受限于LED光源配光的朗伯体分布特性和塑料透光罩的光扩散特性，使得LED筒灯在光束角度、光分布、阻燃特性等各方面均无法满足诸如能源之星(Energy Star，是美国能源部和美国环保署共同推行的一项政府计划，旨在更好地保护生存环境、节约能源)、CEC认证(CEC认证是于2005年12月30日美国加里福尼亚州能源委员会(California Energy Commission)依法实施的电器能效法规(Appliance Efficiency Regulation))等标准的要求。
发明内容
鉴于上述问题，本发明提供一种LED筒灯，通过利用在LED光源组件前放置高阻燃高透光透明塑料件的方式，实现产品的电气保护。同时在透明保护壳表面设计微光学结构，与扩散罩组合以实现对LED筒灯的光学控制，进而满足诸如能源之星、CEC认证标准中针对光束角度、配光及防眩光等光学要求。
本发明解决技术问题所采用的技术方案为：
一种LED筒灯，包括：
外壳，具有一腔体；
LED光源组件，嵌入固定设置于所述腔体中；
用于防火的透明保护罩，设置于所述LED光源组件出光路径上；
透光罩，设置于所述腔体的开口端；
其中，所述LED光源组件发射的光线依次经所述透明保护罩和所述透光罩射出所述LED筒灯。
优选的，上述的LED筒灯，所述透明保护罩的防火性能满足UL-5VA及其以上其他可燃性能标准的要求。
优选的，上述的LED筒灯，所述透明保护罩的表面还设置有光学微结构，以与所述透光罩一起用于调整所述LED筒灯发射光的光束角度及光型。
优选的，上述的LED筒灯，所述外壳具有正面及相对于该正面的背面，在所述外壳的正面设置有所述腔体，所述LED筒灯还包括：
安装配件，设置于所述外壳的背面，以用于固定所述LED筒灯。
优选的，上述的LED筒灯，所述安装配件通过螺栓固定于所述 外壳之上。
优选的，上述的LED筒灯，所述外壳的背面还设置有导线孔，所述LED光源组件的导线经所述导线孔与外部电源连接。
优选的，上述的LED筒灯，所述LED光源组件包括LED电子电路和若干LED颗粒，且所述LED电子电路驱动所述若干LED颗粒发光。
优选的，上述的LED筒灯，所述外壳的材质为热的良导体，所述LED筒灯还包括：
导热组件，分别与所述外壳和所述LED光源组件连接，以将所述LED光源组件产生的热量经所述导热组件传导至所述外壳进行散热。
优选的，上述的LED筒灯，所述外壳的材质包括铝、锌或铁中的一种或多种等金属及其合金。
优选的，上述的LED筒灯，还包括：
防水圈，设置于所述透明保护罩与所述外壳之间，以用于预防外部水汽的侵蚀所述LED光源组件。
优选的，上述的LED筒灯，所述透明保护罩的材质为透光塑料。
优选的，上述的LED筒灯，所述透光塑料包括聚碳酸酯和聚甲基丙烯酸甲酯。
优选的，上述的LED筒灯，光学微结构包括菲涅尔纹。
优选的，上述的LED筒灯，所述透光罩的材质为光扩散塑料。
优选的，上述的LED筒灯，所述透明保护罩和/或所述透光罩以 卡接的方式固定于所述外壳之上。
上述技术方案具有如下优点或有益效果：
本发明通过设置有光学微结构的透明保护罩与透光罩的组合，能方便实现对LED筒灯出射光的光束角度及配光曲线的调整，而透明保护罩的阻燃特性又能使得LED筒灯的阻燃特性能到达UL-5VA的要求，进而能够有效的提升LED筒灯的安全性。
附图说明
参考所附附图，以更加充分的描述本发明的实施例。然而，所附附图仅用于说明和阐述，并不构成对本发明范围的限制。
图1是本申请实施例中LED筒灯的爆炸结构示意图；
图2是图1的斜向下俯视图；
图3是本申请实施例中LED筒灯的结构示意图；
图4是图3的斜向下俯视图。
具体实施方式
如图1～4所示，本申请实施例中公开了一种LED筒灯，可包括：
外壳1，该外壳1具有正面(即图1中所示的下侧面)及相对于该正面的背面(即图1中所示的上侧面)，且在该外壳1的正面开设有腔体2，以用于容置诸如LED筒灯的器件结构。
优选的，该外壳1的材质为热的良导体，如铝、锌、铁等金属及 其合金或其他非金属，只要其能在满足传热属性的同时符合LED筒灯的设计需求即可。
LED光源组件3，固定嵌入设置于上述外壳1的腔体2中，且该LED光源组件3发射的光线经腔体2的开口处射出外壳1.
优选的，该LED光源组件3可包括LED灯板组件(图中未标示)和LED驱动组件(图中未标示)，且该LED灯板组件和LED驱动组件(如LED电子电路)可集成为一体也可单独分离设置，具体可依据具体设计需求设定；上述的LED灯板组件设置有若干LED颗粒(可按照一定形状及排列顺序来设定该若干LED颗粒)，且LED电子电路驱动上述的若干LED颗粒发光。
透明保护罩5，可通过防水圈4卡接在外壳1上，且该透明保护罩5上设置有光学微结构(如菲涅尔纹等光学结果)，以使得LED灯组3射出的光线透过该透明保护罩再出射所述外壳1之外，即该透明保护罩5是设置在LED灯组3的出光路径上的；其中，上述的防水圈能够预防外部水汽侵蚀LED灯组3。
优选的，该透明保护罩5的材质为阻燃的透光塑料，如聚碳酸酯(PC)或聚甲基丙烯酸甲酯(PMMA)等，进而能够使得LED筒灯的阻燃等级可达到UL-5VA的要求。
透光罩6，卡接于上述腔体2的开口端，可与上述的透明保护罩5一起对LED筒灯出射的光线进行光束角度及光型的调整，进而有效的避免因不同标准的需求而对LED筒灯进行二次光学结构的设计，如可使得LED筒灯能够满足能源之星及CEC认证等相关标准 的要求。
优选的，上述的透光罩6的材质可为光扩散塑料；上述的壳体1的形状可为圆形，相应的设置在该壳体1上的LED灯组3、透明保护罩4、防水圈5及透光罩6则可适应性的根据壳体1的形状进行调整，只要其能够满足LED筒灯的设计需求即可。
进一步的，上述的LED筒灯中在LED光源组件与外壳1之间还设置有导热组件，以将LED光源组件产生和/或聚集的热量经该导热组件传导至外壳1上，进而进行散热。
进一步的，在外壳1的背面上还设置有安装配件7，且该安装配件7可通过螺栓与外壳1固定连接，例如该安装配件可满足天花板开孔进行固定安装，且能够满足诸如美国筒灯CAN、Junction box等标准的安装方式。
进一步的，在外壳1的背面上还开设有导线孔10，即上述的LED光源组件的导线11穿过该导线孔10与外部电源连接。
优选的，上述的导线孔10上还设置有软套8，即导线11穿过软套8卡接在导线孔10上，以避免上述的导线11被导线孔10磨损，同时又能确保上述腔体的密封性，进而达到防水防火的效果(即该软套8的材质具有防水防火的性能)。
具体的，本实施例中的LED筒灯，LED光源组件3点亮后，发射的光线先通过上述的透明保护罩5后再经过透光罩6射出该LED筒灯；在实际的生产过程中，当需要不同的光束角度和/或光型时，可通过更换具有不同光学微结构的透明保护罩5来进行调整，进而在 不改变产品外形和其他结构部件的前提下，使得LED筒灯能够满足不同的需求；另外，由于透明保护罩5的对于防火的性能较高，且其他部分诸如软塞8的部件也具有一定的防火性能，进而能够有效的提升整个LED筒灯的防火性，使其能够满足5VA及其以上标准的要求。
对于本领域的技术人员而言，阅读上述说明后，各种变化和修正无疑将显而易见。因此，所附的权利要求书应看作是涵盖本发明的真实意图和范围的全部变化和修正。在权利要求书范围内任何和所有等价的范围与内容，都应认为仍属本发明的意图和范围内。

Claims (15)

  1. 一种LED筒灯，其特征在于，包括：
    外壳，具有一腔体；
    LED光源组件，嵌入固定设置于所述腔体中；
    用于防火的透明保护罩，设置于所述LED光源组件出光路径上；
    透光罩，设置于所述腔体的开口端；
    其中，所述LED光源组件发射的光线依次经所述透明保护罩和所述透光罩射出所述LED筒灯。
  2. 如权利要求1所述的LED筒灯，其特征在于，所述透明保护罩的防火性能满足UL-5VA及其以上其他可燃性能标准的要求。
  3. 如权利要求1所述的LED筒灯，其特征在于，所述透明保护罩的表面还设置有光学微结构，以与所述透光罩一起用于调整所述LED筒灯发射光的光束角度及光型。
  4. 如权利要求1所述的LED筒灯，其特征在于，所述外壳具有正面及相对于该正面的背面，在所述外壳的正面设置有所述腔体，所述LED筒灯还包括：
    安装配件，设置于所述外壳的背面，以用于固定所述LED筒灯。
  5. 如权利要求4所述的LED筒灯，其特征在于，所述安装配件通过螺栓固定于所述外壳之上。
  6. 如权利要求4所述的LED筒灯，其特征在于，所述外壳的背面还设置有导线孔，所述LED光源组件的导线经所述导线孔与外部电源连接。
  7. 如权利要求1所述的LED筒灯，其特征在于，所述LED光源组件包括LED电子电路和若干LED颗粒，且所述LED电子电路驱动所述若干LED颗粒发光。
  8. 如权利要求1所述的LED筒灯，其特征在于，所述外壳的材质为热的良导体，所述LED筒灯还包括：
    导热组件，分别与所述外壳和所述LED光源组件连接，以将所述LED光源组件产生的热量经所述导热组件传导至所述外壳进行散热。
  9. 如权利要求8所述的LED筒灯，其特征在于，所述外壳的材质包括铝、锌或铁中的一种或多种。
  10. 如权利要求1所述的LED筒灯，其特征在于，还包括：
    防水圈，设置于所述透明保护罩与所述外壳之间，以用于预防外部水汽的侵蚀所述LED光源组件。
  11. 如权利要求1所述的LED筒灯，其特征在于，所述透明保护罩的材质为透光塑料。
  12. 如权利要求11所述的LED筒灯，其特征在于，所述透光塑料包括聚碳酸酯和聚甲基丙烯酸甲酯。
  13. 如权利要求3所述的LED筒灯，其特征在于，光学微结构包括菲涅尔纹。
  14. 如权利要求1所述的LED筒灯，其特征在于，所述透光罩的材质为光扩散塑料。
  15. 如权利要求1所述的LED筒灯，其特征在于，所述透明保护罩和/或所述透光罩以卡接的方式固定于所述外壳之上。
PCT/CN2016/075232 2016-02-05 2016-03-01 一种led筒灯 WO2017133047A1 (zh)

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CN201696928U (zh) * 2010-05-27 2011-01-05 何文波 一种具有多光源的筒灯
CN201836686U (zh) * 2010-09-21 2011-05-18 黄柱联 一种二次配光的led灯具
CN202902094U (zh) * 2012-11-09 2013-04-24 郭焕河 一种筒灯
CN203068206U (zh) * 2013-01-06 2013-07-17 东莞市中秀零度照明有限公司 模组模块式筒灯
CN104534354A (zh) * 2014-12-16 2015-04-22 常熟卓辉光电科技股份有限公司 一种led筒灯
CN204300881U (zh) * 2014-12-05 2015-04-29 深圳民爆光电技术有限公司 一种led灯具
CN204358664U (zh) * 2014-12-11 2015-05-27 深圳市金流明光电技术有限公司 灯具支架及防火灯具

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CN203010427U (zh) * 2012-12-22 2013-06-19 苏州瑞普森光电科技有限公司 一种led筒灯
CN203549603U (zh) * 2013-11-27 2014-04-16 厦门闳照光电有限公司 Led筒灯
CN204005591U (zh) * 2014-06-13 2014-12-10 东莞高仪电子科技有限公司 一种防眩筒灯
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Publication number Priority date Publication date Assignee Title
CN201696928U (zh) * 2010-05-27 2011-01-05 何文波 一种具有多光源的筒灯
CN201836686U (zh) * 2010-09-21 2011-05-18 黄柱联 一种二次配光的led灯具
CN202902094U (zh) * 2012-11-09 2013-04-24 郭焕河 一种筒灯
CN203068206U (zh) * 2013-01-06 2013-07-17 东莞市中秀零度照明有限公司 模组模块式筒灯
CN204300881U (zh) * 2014-12-05 2015-04-29 深圳民爆光电技术有限公司 一种led灯具
CN204358664U (zh) * 2014-12-11 2015-05-27 深圳市金流明光电技术有限公司 灯具支架及防火灯具
CN104534354A (zh) * 2014-12-16 2015-04-22 常熟卓辉光电科技股份有限公司 一种led筒灯

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